.star-score .star {
    width: 0.266667rem;
    height: 0.266667rem;
    float: left;
    background-size: cover;
}
.star-score .fullstar {
    background-image: url('./img/fullstar.png');
}
.star-score .halfstar {
    background-image: url('./img/halfstar.png');
}
.star-score .nullstar {
    background-image: url('./img/gray-star.png');
}